HF4 Hydro HF410YH3 vs BU3521UK Cordless Vacuums

Torn between HF4 Hydro HF410YH3 and BU3521UK for your next cordless vacuum?

We examine the HF4 Hydro HF410YH3 – a battery-power vacuum by Hoover, comparing runtime, dust tank, and costs, with – BU3521UK by Shark, analysing real-world vacuuming performance.

By assessing these vacuums – the HF4 Hydro HF410YH3 and BU3521UK from HOOVER and SHARK, you get the best floorcare machine.

Best Cordless Vacuum Pick

HOOVER HF4 Hydro HF410YH3 vs SHARK BU3521UK – key Specifications

HF4 Hydro HF410YH3 and BU3521UK Cordless Battery Run Time

HOOVER Stick cordless vacuums, like the HF4 Hydro HF410YH3, provides lightweight portability without mains cables. BU3521UK Stick is also cordlessly powered by a SHARK rechargeable battery.

The Shark BU3521UK has a battery supply runtime of 40 minutes of cleaning, compared to the Hoover HF4 Hydro HF410YH3 which has 60 minutes life.

• HOOVER HF4 Hydro HF410YH3 Runtime: 60 mins continuous vacuuming
• SHARK BU3521UK Runtime: 40 mins continuous vacuuming

Charging times between the HF4 Hydro HF410YH3 and BU3521UK varies – check manual.

Cordless Vacuum Dust Tank Capacity

Both Hoover HF4 Hydro HF410YH3 and Shark BU3521UK are bagless, storing dust, hairs, dirt, and debris inside a sealed 0.7 litre and 0.42 litre tank, respectively. The BU3521UK by SHARK holds up to 0.42 Litre of compressed dirty particles. The HF4 Hydro HF410YH3 by HOOVER has a capable capacity of 0.7 litre for manual disposable.

• HF4 Hydro HF410YH3 onboard dirt/dust tank size: 0.7L
• BU3521UK onboard dirt/dust tank size: 0.42L

Floor Cleaning Types

Hoover’s HF4 Hydro HF410YH3 and Shark’s BU3521UK brush heads are effective on every surface – carpets & deep-pile rugs, hard floors (laminate, wood, tiles), vinyl, even upholstery, and stairs.

Their only limitation is the BU3521UK and HF4 Hydro HF410YH3 can’t vacuum liquids. For this, a SHARK or HOOVER ‘wet and dry’ vacuum is needed.

Most Hoover and Shark battery powered vacuums include accessories. Check HF4 Hydro HF410YH3 or BU3521UK manual for specifications and attachments.

Vacuum Filtration

The BU3521UK and HOOVER HF4 Hydro HF410YH3 include effective filters to capture dust, dander, pollen, hairs, and fibres.

HOOVER and SHARK use HEPA, foam, or cloth, filters. HF4 Hydro HF410YH3 and BU3521UK maintain suction and clean exhaust air.

SHARK and HOOVER Reviews

Combined feedback from 76 reviewers shows the HF4 Hydro HF410YH3 with a rating of 4.6/5 stars, and the BU3521UK vacuum gains a 4.4/5 average from 128 reviews, showing comparable reliability results.

Brand	Model	Runtime	Weight	Tank	Best Price
HOOVER	HF4 Hydro HF410YH3	60 M	2.63	0.7L	£199.00
SHARK	BU3521UK	40 M	2.7	0.42L	£349.99